Maintenance of leaf N controls the photosynthetic CO₂ response of grassland species exposed to 9 years of free-air CO₂ enrichment

Agriculture & Biology

• grasslands 100%
• carbon dioxide 90%
• air 75%
• forbs 54%
• grasses 51%
• leaves 50%
• species diversity 18%
• soil resources 15%
• biomass 14%
• foraging 9%
• photosynthesis 8%
• ecosystems 8%
• environmental factors 7%
• nutrients 6%
• nitrogen 6%

Earth & Environmental Sciences

• grass 98%
• grassland 95%
• air 62%
• functional group 37%
• regulation 27%
• grassland ecosystem 23%
• biomass 23%
• soil resource 23%
• monoculture 23%
• photosynthesis 18%
• dilution 16%
• environmental conditions 14%
• productivity 13%
• nutrient 12%
• nitrogen 11%

Chemical Compounds

• Leaf Like Crystal 98%
• Ecosystem 45%
• Photosynthesis 43%
• Soil 32%
• Dilution 31%
• Nitrogen 23%
• Length 22%